SKU: 25886712487

PALL 4828 MicroFunnel™ Filter Funnel with Supor® Membrane, 300 mL, 0.45 µm, White, Gridded, Sterile, Individually Bagged (20/pkg)

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Description

PALL 4828 MicroFunnel™ Filter Funnel with Supor® Membrane, 300 mL, 0.45 µm, White, Gridded, Sterile, Individually Bagged (20/pkg)MicroFunnel filter funnels provide an easy squeeze separation of the funnel from the base, preventing membrane disruption and eliminating any twisting motions that can tear membranes or result in RSI. The base of the funnel can easily convert to a Petri dish for culturing using the provided funnel lid. Alternatively, the membrane can be easily removed for placing on a separate agar dish. MicroFunnel filter funnel units are available with a range of

MicroFunnel filter funnels provide an easy squeeze separation of the funnel from the base, preventing membrane disruption and eliminating any twisting motions that can tear membranes or result in RSI. The base of the funnel can easily convert to a Petri dish for culturing using the provided funnel lid. Alternatively, the membrane can be easily removed for placing on a separate agar dish.

MicroFunnel filter funnel units are available with a range of microbiology membrane filters. Pall’s Supor polyethersulfone membrane has low drug and protein binding characteristics.

Certified: Each lot is certified for microbial analysis to provide added assurance and reliable results with self-serve certificates and other regulatory information available online.
Single-use: Prevent cross-contamination with individually bagged, disposable units that are gamma-irradiated, and avoid the need to clean, package and sterilize.
Easy to Use: Unique squeeze separation of cylinder from base allows easy access to membrane for simple removal for culturing on agar or broth.
Accurate sample measurement. The 300 mL funnel is marked in 50 mL increments, and as with all our funnels, accuracy is confirmed to within +/-2% at the max volume.
Confidence: With gamma irradiation, there is no potential toxic extractables sometimes present with EtO sterilization and molded-in measurements on the inside of the funnel ensure all liquid is filtered and reduces the possibility for false negatives.
Convenient: Ideal for last-minute samples at the end of a day or work week. Maintain a supply of MicroFunnel filter funnels in case the autoclave breaks down and reusable hardware cannot be sterilized.

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SKU: 25886712487

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Lisa A.
Pawtucket, US
★★★★★ 5
Great reference book
Format: Hardcover
If you only have one medical resource book in your house, I recommend this one. Very thorough book.
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Reviewed in the United States on March 3, 2026
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dabelms of Bensalem
Lowell, US
★★★★★ 5
Good to Have
Format: Hardcover
This is a comprehensive manual. I bought it because of the difference of opinions of different doctors and vets that we received when our cat was sick. We spent over $6,000+ and found out he only had 1 of the 7 symptoms of his diagnosis and the hospital could not find the reason for his weight loss. Many years ago a human Merck Manual helped us discover that the specialist was using one. After coming out of the hospital and during a followup visit, I asked what is the next step to take. I advised him we bought a Merck Manual and can read it just as well as him and was not happy. He sent us to an Electrophysiologist, a speciality we never knew existed. Kitty gained weight again, just needed to peak his appetite with Instinct Rabbit and Duck dry cat food. Apparently, his smell was off and Instinct coats their kibble with the flavor you are buying. It wasn’t easy finding the right one because he is food specific and it must be kibble. We donated all the ones recommended and others we thought he would the rescues. When we first adopted him as a kitten, he was sneezing mucous tinted with blood and vet said he would grow out of it. He did but …. Highly recommend double checking and / or getting a 2nd opinion, human or otherwise.
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Reviewed in the United States on January 26, 2024
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Donald J. Baccus
Charlottesville, US
★★★★★ 5
Compact detailed reference work
Format: Hardcover
This is the next in a series of, th most recent version. Contains a volume of medical information of many medical topics.a great reference product.
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Reviewed in the United States on November 21, 2025
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Amazon Customer
Natrona Heights, US
★★★★★ 4
It is great to use if you are trying to understand the ...
Format: Hardcover
I am entering my second year of PA school and I use this book 2-3 times a week. Summary: This is clearly a book for practitioners ONLY (or soon to be). If you are a medical, PA, or NP student, consider delaying buying this book until your 2nd or 3rd year. This book can feel very overwhelming, especially since most of the time you have a quick question and it may take several minutes to find it. It is great to use if you are trying to understand the entire picture of a disease, especially in a clinical context. It starts by giving you 1-2 paragraphs of pathophysiology, then gives you the process of diagnosing, the clinical presentation, the ddx, labs, tx, prognosis, and "pearls" of the disease. I like using this when I am learning about a specific disease for the first time. Please understand, there is no one book that can answer every question of medicine. This however, is as close as you will get with the exception of a few things here and there. Overall, great book to supplement my classroom lectures.
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Reviewed in the United States on July 5, 2018
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Gerhard Turner
Boise, US
★★★★★ 5
Like I know my old one.
Format: Hardcover
It’s an updated version from my first one.1994. Was a great reference book than during my residence time and is a great reference now. Every dollar worth.
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Reviewed in the United States on July 11, 2024

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